Luke 9:62
Jesus told him, "No one who puts his hand to the plow and looks back is fit for the kingdom of God."
Psalm 78:8-9
They will not be like the rebellious generation of their ancestors, a rebellious generation, whose heart was not steadfast, and whose spirits were unfaithful to God.
Acts 15:37-38
Barnabas wanted to take along John, who was called Mark,
Philippians 3:13
Brothers, I do not consider myself to have embraced it yet. But this one thing I do: Forgetting what lies behind and straining forward to what lies ahead,
Hebrews 10:38
but my righteous one will live by faith, and if he turns back, my soul will take no pleasure in him."
Luke 17:31-32
"The person who is on the housetop that day must not come down to get his belongings out of his house. The person in the field, too, must not turn back to what's left behind.
2 Timothy 4:10
because Demas, having fallen in love with this present world, has abandoned me and has gone to Thessalonica. Crescens has gone to Galatia, and Titus to Dalmatia.
James 1:6-8
But he must ask in faith, without any doubts, for the one who has doubts is like a wave of the sea that is driven and tossed by the wind.
2 Peter 2:20-22
For if, after escaping the world's corruptions through a full knowledge of our Lord and Savior Jesus, the Messiah, they are again entangled and conquered by those corruptions, then their last condition is worse than their former one.